Leon Mandel

The Pritchett-Dunphy-Tucker clan is a wonderfully large and blended family. They give us an honest and often hilarious look into the sometimes warm, sometimes twisted, embrace of the modern family.

When a young boy vanishes, a small town uncovers a mystery involving secret experiments, terrifying supernatural forces, and one strange little girl.

Follows the lives and families of three adults living and growing up in the United States of America in present and past times. As their paths cross and their life stories intertwine in curious ways, we find that several of them share the same birthday - and so much more than anyone would expect.

Explore an aspirational world where NASA and the space program remained a priority and a focal point of our hopes and dreams as told through the lives of NASA astronauts, engineers, and their families.

Set during the Cold War period in the 1980s, The Americans is the story of Elizabeth and Philip Jennings, two Soviet KGB officers posing as an American married couple in the suburbs of Washington D.C. and their neighbor, Stan Beeman, an FBI Counterintelligence agent.

A hotheaded widow searching for the hit-and-run driver who mowed down her husband befriends an eccentric optimist who isn't quite what she seems.

Four adults nearing 40, living under the same roof, struggle to keep their relationships and their individual dreams alive.

A group of strangers take the risk of a lifetime to travel to a nearby asteroid for the opportunity to mine for wealth beyond their wildest dreams.

Physics is a system of models of nature according to which all phenomena are explained in terms of matter and force. Sound confusing? It doesn't have to be! Whether you need help with high school physics, need to review for a college physics class, or you're studying for the AP Physics Exam, this physics tutorial will help you understand the basics, such as Newton's Laws, the Law of Universal Gravitation, Kepler's Law and more.